Atoum TU with PsySh eval

psysh.php

<?php

namespace
{
    class Foo
    {
        public function get()
        {
            $string = 'foobarbaz';

            eval(Psy\sh());

            return $string;
        }
    }
}

namespace tests\units
{
    use atoum;

    class Foo extends atoum
    {

        public function testGet()
        {

            $this
                ->if($this->newTestedInstance)
                ->then
                ->string($this->testedInstance->get())
                ->isEqualTo('foobarbaz');
        }
    }
}